I have built the attic uhf coat hanger with covered foil type antenna a few months back and now have it split with a two way cable tv type splitter and it works good with my venturer and zenith dtt901 boxes but i plan on adding another cecb and a new hdtv soon so i will need to ungrade to a four way splitter,i would like to know if i will get a large enough signal loss so that i would have to use an amplified antenna booster but what kind will work best for my setup?,i have the cable tv type vhf amplified antenna booster but i'am not sure how that will work,i have not seen any type of uhf amplified antenna boosters,can anyone tell me where i can get one?

I have built the attic uhf coat hanger with covered foil type antenna a few months back and now have it split with a two way cable tv type splitter and it works good with my venturer and zenith dtt901 boxes but i plan on adding another cecb and a new hdtv soon so i will need to ungrade to a four way splitter,i would like to know if i will get a large enough signal loss so that i would have to use an amplified antenna booster but what kind will work best for my setup?,i have the cable tv type vhf amplified antenna booster but i'am not sure how that will work,i have not seen any type of uhf amplified antenna boosters,can anyone tell me where i can get one?

You'll need an amplifier that's designed for both UHF and VHF (as some channels will be reverting back to VHF next February). A VHF only amplifier would be useless for these type of signals, as most are (and will continue to be) UHF.

A good (and inexpensive) choice is the "Pico/Macom" model TA-25.
It's an 18-25db amp which is solidly built and reliable. It's also inexpensive (as compared to other amps that won't neccessarily work better).

It's available from Parts Express (in Ohio). Their part number is #180-470.
The price is $22.66. They're a reliable, credible source on the web.
Their phone number is: 1-800-338-0531.

Any 10 dB Distribution Amp (DA) should work. Make sure you put it before the splitter. The 10 dB output will be more than enough to overcome the 7.0 dB loss through the splitter.

Be aware that a 10db amplifier can often provide little benefit (especially when a signal is being split 3-4 ways or is somewhat weak to begin with).
The 18-25db amp (I described above) is generally more effective (and can actually cost less than a 10db amp!).
If (in some cases) the db level is too high, you can always use an attenuator to trim it.

I found a 4 way vhf/fm 10db amplified booster i had in storage and it worked out good with my venturer and zenith dtt901 boxes,i got a stronger signal reading on some of my weak channels and i can see no negitive effects from the boosted signal but i'm only using two of the outputs right now and plan on using all four outputs in the near future,will all four outputs have a 10db boost or would it be devided by 4(2.5db per output)?

I found a 4 way vhf/fm 10db amplified booster i had in storage and it worked out good with my venturer and zenith dtt901 boxes,i got a stronger signal reading on some of my weak channels and i can see no negitive effects from the boosted signal but i'm only using two of the outputs right now and plan on using all four outputs in the near future,will all four outputs have a 10db boost or would it be devided by 4(2.5db per output)?

It's a 10dB amplifier followed by a 4-way splitter (which typically is 7dB down on each output), for about 3dB of net gain per output. That this is near 10/4 is only coincidental.

If so, that DA doesn't support UHF frequencies (470-806 MHz), which most digital stations are on currently. You need to get something that supports both VHF & UHF, like the Eagle Aspen 15dB Off-air/CATV Distribution Amplifier (DISTAMP-15GX) with 4.0dB Noise Figure (4.0 or below is preferable) for $ 13.99 at Solid Signal.http://www.solidsignal.tv/cat_displa...CAT=Amplifiers

The 15 dB gain of the Eagle Aspen DA will produce a 8 dB gain on all outputs of the 4-way splitter. and will be less expensive than purchasing a 4-port DA.

Quote:

Originally Posted by video45

...i'm only using two of the outputs right now and plan on using all four outputs in the near future...

As mentioned in the previous post, get a couple of 75 Ohm terminators for the two unused ports. This will eliminate reflections in the cable that will degrade the quality level.

I have built the attic uhf coat hanger with covered foil type antenna a few months back and now have it split with a two way cable tv type splitter and it works good with my venturer and zenith dtt901 boxes but i plan on adding another cecb and a new hdtv soon so i will need to ungrade to a four way splitter,i would like to know if i will get a large enough signal loss so that i would have to use an amplified antenna booster but what kind will work best for my setup?,i have the cable tv type vhf amplified antenna booster but i'am not sure how that will work,i have not seen any type of uhf amplified antenna boosters,can anyone tell me where i can get one?

These are really reception-related issues and it would be more appropriate to discuss them over in the main, Technical area.